Cutter-head



evzfik T. B. REESE. CUTTER HEAD Patentedfeb. 7, 1893.

wires Srsrns nrnnr i i ifil.

THOMAS B. REESE, OF MANSFIELD, OHIO.

CUTTER=HEAD.

SPECIFICATION forming part of Letters Patent No. 491,873, dated February*7, 1893.

Application filed July 2, 1892. Serial No- 438,812- (No model.) I

To all? whom it may concern.-

Be it known that I, THOMAS B. REESE, a citizen of the United States ofAmerica, residing at Mansfield, in the county of Richland and State ofOhio, have invented certain new and useful Improvements in Cutter-Heads,of which the following is a specification.

My invention is an improvement in devices for holding cutters in thecutter head; these devices as improved by me being designed to securethe cutter firmly and readily, and to providealso for balancing the headwhen the cutters on opposite sides are of unequal weight.

My invention is illustrated in the accompanying drawings, in which-Fignre 1 shows the head in side elevation. Fig. 2 shows a section online 50-00 and Fig. 3 asection on line y-y of Fig. 1.

In the drawings the central portion of the head is shown at a, a. Itconsists of two sections adapted to be placed together to form a ringfitted to the arbor on which it is carried. The ends of each section areprovided with bosses,andwhen thehead hasbeen placed upon the arbor ormandrel the bosses can be drawn together by screws 3, which pass throughone boss and are tapped into the other upon each side of the arbor, thusfirmly clamping the head in place. Upon the ring are oppositely placedarms h, c, which carry cutters. These arms are grooved on one edge, thegrooves receiving the shank of the cutter.

The grooves may be formed with a plain bottom and rectangular set sides,as shown in Fig. 3, or it may be \l-shaped in cross section as shown inFig. 2. Whatever be the form of cross section, it is made to fit theshank of the cutter which is laid in the groove. It is held by a stirrupd, in which is tapped a set screw 4 arranged to bear upon the back ofthe arm. The stirrup is fitted to the cutter shank and arm, and whendrawn up by the set screw clamps the shank firmlyupon the arm. As shownin the drawings dilterent kinds of cutters may be used upon the arms ofthe same head,and these may differ in weight. In order to balance thehead under such circumstances it is necessary only to adjust the clampin or out, to a proper position.

Having thus described my in vention what I claim is A cutter head havingoppositely set arms provided with longitudinal grooves fitted to receivethe cutter shanks, combined with stiry rups'encircling said arms andprovided with set screws, said stirrups being adjustable toward and fromthe center of the head for the purpose of balancing the same,substantially as described.

In testimony whereof I afiix my sign ature in presence of two witnesses.

THOMAS B. REESE. Witnesses:

LEROY Pnnsous, WM. M. HARRIS.

